SNAS758A
February 2025 – June 2025
HDC3120
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Device Power-Up
7.3.2
Device Disable and Enable
7.3.3
Conversion of the Signal Output
7.3.3.1
Relative Humidity (RH%) Measurement
7.3.3.2
Temperature Measurement
7.3.4
NIST Traceability and Unique ID
7.3.5
Output Short Circuit Protection
7.4
Device Functional Modes
7.4.1
On-Chip Heater
7.4.1.1
Operating Principle
7.4.1.1.1
Heater Configuration Example
7.4.1.2
Heater Electrical Behavior
7.4.1.3
Heater Temperature Increase
7.4.1.4
Heater Usage Guidelines
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.3
Power Supply Recommendations
8.4
Rehydration Recommendations
8.5
Layout
8.5.1
Layout Guidelines
8.5.2
Layout Example
8.6
Storage and PCB Assembly
8.6.1
Storage and Handling
8.6.2
Product Storage
8.6.3
PCB Assembly Flow
8.6.4
Rework Consideration
8.6.5
Sensitivity to Chemicals and Vapors
8.6.6
Exposure to High Temperature and High Humidity Conditions
8.6.7
Recovering Sensor Performance: Bake and Rehydration Procedure
9
Device and Documentation Support
9.1
Documentation Support
9.1.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
デバイスごとのパッケージ図は、PDF版データシートをご参照ください。
メカニカル・データ(パッケージ|ピン)
DEF|8
サーマルパッド・メカニカル・データ
発注情報
snas758a_oa
Data Sheet
HDC3120
High-Accuracy (1%RH, 0.2°C) Analog Humidity and Temperature Sensor, With Low Long-Term Drift (0.19%RH/yr), and 4s RH% Response